Nikola Tesla and the Planetary Radio Signals
Kenneth L. Corum & James F. Corum
History and Class Consciousness: Studies in Marxist Dialectics
György Lukács
The Critical Theory of Jürgen Habermas
Thomas A. McCarthy
Reversing secrets of reverse engineering
Eldad Eilam
Kommentar zu Kants Kritik der reinen Vernunft
Hans Vaihinger
Metaphysics - Aristotle
Aristotle